3
Set value change method
Press the key, the upper row displays SP. Press ▲ or ▼ key to make the lower row
display the required value. Press again or go to standard mode.
Control parameter change method
Press the key for more than 4 seconds, the upper row displays the prompt of the
control parameter, and press the ▲ or ▼ key to make the lower row display the required
value. Continue to press the key, the upper row will display the prompts of each parameter
in turn, press the ▲ or ▼ key to make each control parameter the required value. Press
the key for more than 4 seconds to return to the standard mode. (It will automatically
return to the standard mode after 1 minute without key press)
The function parameters are shown in the table below
Prompt
name
set range
description
Initial value
RESET
-99
（
99.9
）
~100
（
100.0
）℃
RESET
Only used to adjust the static
difference of proportional control
instrument
0
Re
During the auto-tuning process, press the ▲ or ▼ key for 8 seconds and then the AT
light will go out, the auto-tuning will be terminated, and the meter will control according to
the original PID parameters.
V. Fault analysis and troubleshooting
Under normal circumstances, turn on the power switch, and the power indicator does
not light up. After starting up, if the above process is found to be abnormal, it can be
analyzed and handled according to the following situations:
Fault
description
Failure analysis
Troubleshooting
Turn on the
power switch,
the
indicator
Fuse blown
First check whether the
circuit is short-circuited and
replace the insurance
